Mmcp.market

Domain RDAP MCP server

by Lulu-The-Narwhal·io.github.Lulu-The-Narwhal/domain-rdap-mcp·v0.1.1
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Free, keyless domain registration lookup via RDAP: registered, available, registrar, expiration.

C67/100grade C
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Safety scan
C67/100

full report

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If you have run it, two minutes of your experience saves the next person an afternoon.

Domain RDAP MCP tools (1)

write = sends, deletes, buys or posts
  • check_domainFree

    Check whether a domain name is registered, using real-time RDAP data (the IETF-standardized successor to WHOIS). Use for "is domain-x.com available/registered", "who is domain-x.com registered with", or "when does domain-x.com expire" style questions. `domain` is a bare domain like "example.com" -- no protocol prefix, no path, no spaces. If the domain is NOT registered, returns `{"domain": ..., "registered": false}` -- this is a normal, meaningful answer (the domain is available), not an error. If the domain IS registered, returns `{"domain", "registered": true, "status", "registered_date", "expiration_date", "last_changed_date", "registrar"}`. `status` is a list of RDAP status codes (e.g. "active", "client transfer prohibited"). Dates are ISO 8601. `registrar` is the registrar's name, or null if the registry redacts it for privacy. For obviously malformed input (not a domain -- e.g. missing a dot, has spaces, or includes a protocol like "https://"), returns a clean `{"error": ...}` instead of calling the API.

Public scan report

scanner v0.1.9 · 2026-09-23 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 366ms20/20
  • Tool poisoning1 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 67/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http domain-rdap-mcp https://ads.getlulu.dev/domain/mcp
Add to Cursor

Domain RDAP MCP: common questions

Is Domain RDAP MCP server safe?
With care: it is graded C, so read the findings first (67/100). Read the Domain RDAP MCP safety report
How do I install Domain RDAP MCP?
It runs remotely at ads.getlulu.dev. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Domain RDAP MCP need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Domain RDAP MCP maintained?
The latest release is v0.1.1.
Is Domain RDAP MCP up?
100% of our last 19 checks got an answer. We check remote servers about four times a day.

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